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473294

Sigma-Aldrich

Bis(pinacolato)diboron

99%

Sinónimos:

4,4,4′,4′,5,5,5′,5′-Octamethyl-2,2′-bi-1,3,2-dioxaborolane

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About This Item

Fórmula empírica (notación de Hill):
C12H24B2O4
Número de CAS:
73183-34-3
Peso molecular:
253.94
MDL number:
MFCD00799570
UNSPSC Code:
12352103
PubChem Substance ID:
24870893
NACRES:
NA.22

assay

99%

form

powder (or crystals)

mp

137-140 °C (lit.)

SMILES string

CC1(C)OB(OC1(C)C)B2OC(C)(C)C(C)(C)O2

InChI

1S/C12H24B2O4/c1-9(2)10(3,4)16-13(15-9)14-17-11(5,6)12(7,8)18-14/h1-8H3

Inchi Key

IPWKHHSGDUIRAH-UHFFFAOYSA-N

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General description

Bis(pinacolato)diboron or (B2pin2) is the most commonly used diborane reagent in organic synthesis due to its high stability in air and moisture. It can be synthesized by treating tetrakis(dimethylamino)diboron with pinacol in acidic conditions.

Application

Reagent used for the cis-vicinal diborylation of acetylenes and olefins with Pt catalysis; borylation of aromatics by Pd catalysis.
Substrate used in a new palladium-catalyzed cyclization of 1,6-enynes leading to homoallylic alkylboronates.
Used to construct a tetramethylpyrrolidine nitroxide scaffold for the synthesis of paramagnetic heterocycles by Suzuki coupling.

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Referencia del producto
Descripción
Precios

907847

HB(trip)2, ≥95%

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificados de análisis (COA)

Lot/Batch Number
WXBF2648V
WXBF4376V
WXBF3831V
WXBF1911V
WXBF0019V

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Pd-catalyzed borylative cyclization of 1,6-enynes.
Juan Marco-Martínez et al.
Journal of the American Chemical Society, 129(7), 1874-1875 (2007-01-31)
Synthesis, 2573-2573 (2006)
Synlett, 15, 2442-2443 (2003)
Takahiro Muraoka et al.
Nature communications, 11(1), 2924-2924 (2020-06-12)
Biological membranes play pivotal roles in the cellular activities. Transmembrane proteins are the central molecules that conduct membrane-mediated biochemical functions such as signal transduction and substance transportation. Not only the molecular functions but also the supramolecular properties of the transmembrane
Ignacio A Jessop et al.
Polymers, 13(3) (2021-01-31)
In the search for new materials to fight against antibiotic-resistant bacteria, a hybrid composite from metallic copper nanoparticles (CuNPs) and a novel cationic π-conjugated polyelectrolyte (CPE) were designed, synthesized, and characterized. The CuNPs were prepared by chemical reduction in the
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